Overview
Kruonis Pumped Storage Hydroelectric Power Plant is a 900 MW hydroelectric facility in Lithuania. It is operational and serves as a key component of the country's energy grid.
Kruonis Pumped Storage Hydroelectric Power Plant is a 900 MW pumped storage hydroelectric facility located in Lithuania. As the largest power plant of its kind in the Baltic region, it plays a crucial role in balancing the national grid and providing peak load power. The plant's pumped storage design allows it to store excess energy during low demand and release it during peak periods, enhancing grid stability and integrating renewable energy sources. The plant operates under the regulatory framework of the European Union, including the Industrial Emissions Directive 2010/75/EU and relevant Best Available Techniques (BAT) conclusions for large combustion plants, although as a hydroelectric facility, its direct emissions are minimal. The technology involves reversible turbine-generators that pump water from a lower reservoir to an upper reservoir for storage, then release it to generate electricity. With a capacity of 900 MW, it is classified as a large-scale hydroelectric plant, typical for pumped storage facilities that require significant infrastructure. Environmentally, the plant has a low carbon footprint due to its hydroelectric nature, but its construction and operation involve considerations such as water management and ecological impacts on local aquatic habitats. The facility supports Lithuania's energy independence and helps integrate variable renewable sources like wind and solar. Its operational status ensures continued contribution to the region's energy security and grid reliability.
Environmental context
As a pumped storage hydroelectric plant, Kruonis has minimal direct emissions, but its environmental footprint includes land use for reservoirs and potential impacts on local hydrology and aquatic ecosystems. The facility's operation supports grid stability and renewable energy integration, reducing reliance on fossil fuels. Its location in Lithuania, a country with growing renewable energy targets, aligns with EU climate goals. The plant's age and technology are typical for large-scale pumped storage, with ongoing maintenance to ensure efficiency and environmental compliance.
Frequently asked questions
Kruonis Pumped Storage Hydroelectric Power Plant is located in Lithuania, near the town of Kruonis, approximately 30 km east of Kaunas.
The plant has a capacity of 900 MW, making it the largest power plant in Lithuania and a key asset for grid balancing.
A pumped storage plant uses two reservoirs at different elevations. During low demand, excess electricity pumps water to the upper reservoir. During peak demand, water is released to generate electricity, acting like a giant battery.
Hydroelectric plants in Lithuania must comply with EU environmental directives, including the Water Framework Directive and the Environmental Impact Assessment Directive, ensuring sustainable water use and ecological protection.
Kruonis provides essential grid stability services, including frequency regulation and peak load management, supporting the integration of renewable energy sources like wind and solar.